Yahya bin Zakaria bin Abi Zaida يحيى بن زكريا بن أبي زائدة · Commercial Transactions (Kitab Al-Buyu)

The Messenger of Allah (ﷺ) forbade to sell fresh dates for dry dates when payment is made at a later date. Abu Dawud said: The tradition mentioned above has also been transmitted by Sa'd (b. Abi Waqqas) from the Prophet (ﷺ) through a different chain of narrators in a similar way.